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Top Forums Shell Programming and Scripting Using csh / awk / sed to compare database sizes in a txt file Post 302556032 by stevie_g on Friday 16th of September 2011 11:19:25 AM
Old 09-16-2011
Using csh / awk / sed to compare database sizes in a txt file

Hello,


I have an output file showing database sizes across the 3 environments that I use (LIVE, TEST & DEVELOPMENT).

I am trying to write a script that lets me know if the size of a db on one environment is different to its corresponding db on the other environments.

Here is an example of the file......(Name Size Environment)

Code:
stevie_db 13000   LIVE
stevie_db 13000   TEST
stevie_db 14000   DEVELOPMENT
john_db   25000   LIVE
john_db   25000   TEST
john_db   25000   DEVELOPMENT




I want to compare database sizes & flag up any databases that are a different size in any of the environments. So in the above example, the database stevie_db will be flagged up (because it is a different size in DEVELOPMENT). Maybe we could append an asterisk to any line that matches our criteria, to show it is different.


I imagine the general syntax would be something along the lines of
If $1 on line 1 = $1 on any other line

Compare $2 on lines 1 and the matching line, flag up an error if they are different sizes.

Move on to Line 2 (and so on).


Is this something that could be done in awk?


Any help would be really appreciated.

Cheers,
Stevie

Last edited by radoulov; 09-16-2011 at 01:02 PM.. Reason: Code tags, please!
 

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PYP(1)							      General Commands Manual							    PYP(1)

NAME
pyp - The Pyed Piper: A Modern Python Alternative to awk, sed and Other Unix Text Manipulation Utilities SYNOPSIS
pyp [options] files ... DESCRIPTION
pyp, the Pyed Piper, is a command line tool for text manipulation. It is similar to awk and sed in functionality, but its subcommands are Python based, and thus more familiar to many programmers. It can operate both on a per-line base and on the complete input stream. Different features can be pipelined in a single command by using the pipe character familiar from shell commands. pyp backs up its input for reruns with modified commands, and can save commands as macros. On the downside, the rerun feature makes it unsuitable for continuous pipe operation. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, use --manual. -h, --help Show this help message and exit. -m, --manual Prints out extended help. -l, --macro_list Lists all available macros. -s MACRO_SAVE_NAME, --macro_save=MACRO_SAVE_NAME Saves current command as macro. use "#" for adding comments EXAMPLE: pyp -s "great_macro # prints first letter" "p[1]". -f MACRO_FIND_NAME, --macro_find=MACRO_FIND_NAME Searches for macros with keyword or user name. -d MACRO_DELETE_NAME, --macro_delete=MACRO_DELETE_NAME Deletes specified public macro. -g, --macro_group Specify group macros for save and delete; default is user. -t TEXT_FILE, --text_file=TEXT_FILE Specify text file to load. For advanced users, you should typically cat a file into pyp. -x, --execute Execute all commands. -c, --turn_off_color Prints raw, uncolored output. -u, --unmodified_config Prints out generic PypCustom.py config file. -b BLANK_INPUTS, --blank_inputs=BLANK_INPUTS Generate this number of blank input lines; useful for generating numbered lists with variable 'n'. -n, --no_input Use with command that generates output with no input; same as --dummy_input 1. -k, --keep_false Print blank lines for lines that test as False. default is to filter out False lines from the output. -r, --rerun Rerun based on automatically cached data from the last run. Use this after executing "pyp", pasting input into the shell, and hitting CTRL-D. SEE ALSO
awk(1), grep(1), sed(1). AUTHOR
pyp was written by Toby Rosen <tobyrosen@gmail.com>. This manual page was written by Khalid El Fathi <khalid@elfathi.fr>, for the Debian project (and may be used by others). March 19, 2012 PYP(1)
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